<template>
  <el-col
    :span="span"
    :xs="spanMap.xs"
    :sm="spanMap.sm"
    :md="spanMap.md"
    :lg="spanMap.lg"
    :xl="spanMap.xl"
    class="descriptions-item"
  >
    <div class="descriptions-item-content">
      <div class="descriptions-item-label">{{ label }}：</div>
      <div class="descriptions-item-value">
        <slot v-if="$slots.content" name="content" />
        <div v-else class="default-value" :title="value">{{ value }}</div>
      </div>
    </div>
  </el-col>
</template>

<script>
export default {
  name: 'ElDescriptionItem',
  props: {
    spanMap: {
      type: Object,
      required: false,
      default: () => { return {} }
    },
    span: {
      type: Number,
      required: false,
      default: 6
    },
    label: {
      required: true
    },
    value: {
      required: false,
      default () {
        return ''
      }
    }
  }

}
</script>

<style scoped lang="scss">
.descriptions-item {
  padding-bottom: 16px;
  padding-right: 20px;
  span {
    display: inline-block;
  }
  .descriptions-item-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    color: rgba(0, 0, 0, 0.65);
    font-size: 14px;
    line-height: 1.5;
    width: 100%;
    .descriptions-item-label {
      flex-grow: 0;
      flex-shrink: 0;
      color: rgba(0, 0, 0, 0.85);
      font-weight: 400;
      font-size: 14px;
      line-height: 1.5;
    }
    .descriptions-item-value {
      flex-grow: 1;
      overflow: hidden;
      .default-value {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
    }
  }
}
</style>
